441867864 has 16 divisors (see below), whose sum is σ = 1104669720. Its totient is φ = 147289280.

The previous prime is 441867851. The next prime is 441867869. The reversal of 441867864 is 468768144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441867869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9205557 + ... + 9205604.

Almost surely, 2^441867864 is an apocalyptic number.

It is an amenable number.

441867864 is an abundant number, since it is smaller than the sum of its proper divisors (662801856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441867864 is a wasteful number, since it uses less digits than its factorization.

441867864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18411170 (or 18411166 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 441867864 is about 21020.6532724366. The cubic root of 441867864 is about 761.6652451798.

The spelling of 441867864 in words is "four hundred forty-one million, eight hundred sixty-seven thousand, eight hundred sixty-four".